*{
    padding: 0;
    margin: 0;
}
a,a:focus,a:active{
    text-decoration: none;
}
body{
    background-color: #fff !important;
}
.openscreen{
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgb(41, 39, 39);
    left: 0;
    top: 0;
    z-index: 99;
    overflow: hidden;
}
.imglistul{
    width: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.imglistul>li{
    float: left;
    list-style: none;
}
.imglistul>li>img{
    width: 100%;
    display: block;
}
.screen_direction{
    position: absolute;
    width: 7%;
    height: 10%;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
    background-color: rgba(255,255,255,0.5);
    font-weight: bold;
    z-index: 3;
}
.screen_direction::before{
    display: inline-block;
    content: "";
    height: 100%;
    vertical-align: middle;
}
.screen_toleft{
    left: 0;
}
.screen_toright{
    right: 0;
}
.closescreen{
    position: absolute;
    color: white;
    right: 0;
    top: 0;
    padding: 8px;
}
img{
    width: 100%;
}